Night FAQs:

Q: Is a night the period of time between astronomical dusk and astronomical dawn when the sun is between 18 and 90 degrees below the horizon and the sky is totally dark?

A: Yes.

Q: Are nights shorter than days on average due to two factors?

A: Yes.

Q: Is a night not seen in the animal kingdom alone?

A: Yes, plants have also evolved adaptations to cope best with the lack of sunlight during this time.

Q: Is a night due to the rotation of a celestial body about its axis?

A: Yes, and creating an illusion of the sun rising and setting.

Q: Is a night often associated with danger and evil, because of the psychological connection of night's all-encompassing darkness to the fear of the unknown and darkness's obstruction of a major sensory system?

A: Yes, Nighttime is naturally associated with vulnerability and danger for human physical survival.

Q: Is a night day?

A: Yes, The start and end points of time for a night vary, based on factors such as season, latitude, longitude and timezone.